这个文件用于，获取GPS 位置。以及监听当前的GPS坐标。你只需要写一个用于监听的类就可以。实现必要的方法. 如果不好用的话，请联系：zmxiangde_88@163.com-This file is used to obtain GPS location. As well as monitor the current GPS coordinates. You simply write a class can be used for monitoring. To achieve the nece